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It is expected that students will demonstrate an understanding of ratio and proportion and apply these concepts in solving triangles It is expected that students will: apply ratio and proportion in similar triangles use the trigonometric ratios s Full Review »
- Grade Range
- 11th - Higher Ed
The unit, Sounding Off About Trig, intends to take the overarching theme of sound and applies it to various aspects of algebra and trigonometry. While the unit is designed to supplement a Pre-Calculus textbook, there are parts that may be adaptable to an Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine and discuss techniques using trigonometric ratios for right triangles. They observe examples of trigonometric ratios, discuss alternative methods for checking their results, and complete a worksheet. Full Review »
- Grade Range
- 6th - 8th
- Rating
After being introduced to the basic trigonometry functions, students calculate the height of school landmarks. They experiment with different angles to find the correct height. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students observe how math is important in navigation and engineering. They study how surveyors use math and science to calcute, count, measure, label, and indicate distances on a map. They estimate specific distances. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students apply trigonometry in order to build a ramp for Handicap accessibility. They work in groups of 4-5 students to determine angles of elevation for handicap entrance ramps, calculate dimensions for a ramp reaching a specified height, and determine the construction cost for the ramp. Full Review »
- Grade Range
- 8th
- Rating
Students participate in direct instruction lessons about right triangle trigonometry. They study the definitions and drawings of associated vocabulary. They determine the values of the unknown angles of a triangle and the unknown lengths of the side using trigonometry and examine practical applications for the math. Full Review »
- Grade Range
- 9th
- Rating
Students apply trigonometric functions to solve problems when sides and angles are unknown. They review the necessary definitions before problem solving for unknown sides and angles in triangles. They work in a guided practice setting before completing a student practice sheet of problems. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students draw a right triangle and label angles and names of sides. They list the relationships between angles and sides of a right triangle. Students use the internet to research trigonometry. They calculate simple trig functions to solve for missing angles or sides of a triangle. Full Review »
- Grade Range
- 5th - 12th
- Rating
Students explore how changing an angle in a triangle changes the ratio of the sides. They also explore how changing the sides can make changes to an angle in a triangle. Students determine how two different pairs of sides, in the same ratio, will give them the same angle. Full Review »
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